1#include <linux/fs.h> 2#include <linux/qnx4_fs.h> 3 4#define QNX4_DEBUG 0 5 6#if QNX4_DEBUG 7#define QNX4DEBUG(X) printk X 8#else 9#define QNX4DEBUG(X) (void) 0 10#endif 11 12struct qnx4_sb_info { 13 struct buffer_head *sb_buf; /* superblock buffer */ 14 struct qnx4_super_block *sb; /* our superblock */ 15 unsigned int Version; /* may be useful */ 16 struct qnx4_inode_entry *BitMap; /* useful */ 17}; 18 19struct qnx4_inode_info { 20 struct qnx4_inode_entry raw; 21 loff_t mmu_private; 22 struct inode vfs_inode; 23}; 24 25extern struct inode *qnx4_iget(struct super_block *, unsigned long); 26extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd); 27extern unsigned long qnx4_count_free_blocks(struct super_block *sb); 28extern unsigned long qnx4_block_map(struct inode *inode, long iblock); 29 30extern struct buffer_head *qnx4_bread(struct inode *, int, int); 31 32extern const struct inode_operations qnx4_dir_inode_operations; 33extern const struct file_operations qnx4_dir_operations; 34extern int qnx4_is_free(struct super_block *sb, long block); 35 36static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb) 37{ 38 return sb->s_fs_info; 39} 40 41static inline struct qnx4_inode_info *qnx4_i(struct inode *inode) 42{ 43 return container_of(inode, struct qnx4_inode_info, vfs_inode); 44} 45 46static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode) 47{ 48 return &qnx4_i(inode)->raw; 49} 50